+++ /dev/null
-# -*- coding: utf-8 -*-
-
-# Copyright 2018 Whitestack, LLC
-# *************************************************************
-
-# This file is part of OSM Monitoring module
-# All Rights Reserved to Whitestack, LLC
-
-# Licensed under the Apache License, Version 2.0 (the "License"); you may
-# not use this file except in compliance with the License. You may obtain
-# a copy of the License at
-
-# http://www.apache.org/licenses/LICENSE-2.0
-
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-# License for the specific language governing permissions and limitations
-# under the License.
-
-# For those usages not covered by the Apache License, Version 2.0 please
-# contact: bdiaz@whitestack.com or glavado@whitestack.com
-##
-import asyncio
-import logging
-
-import peewee
-
-from osm_policy_module.autoscaling.service import Service
-from osm_policy_module.common.message_bus_client import MessageBusClient
-from osm_policy_module.core.config import Config
-from osm_policy_module.core.database import ScalingAlarm
-
-log = logging.getLogger(__name__)
-
-ALLOWED_KAFKA_KEYS = ['instantiated', 'scaled', 'terminated', 'notify_alarm']
-
-
-class PolicyModuleAgent:
- def __init__(self, config: Config, loop=None):
- self.conf = config
- if not loop:
- loop = asyncio.get_event_loop()
- self.loop = loop
- self.msg_bus = MessageBusClient(config)
- self.service = Service(config, loop)
-
- def run(self):
- self.loop.run_until_complete(self.start())
-
- async def start(self):
- topics = [
- "ns",
- "alarm_response"
- ]
- await self.msg_bus.aioread(topics, self._process_msg)
- log.critical("Exiting...")
-
- async def _process_msg(self, topic, key, msg):
- log.debug("_process_msg topic=%s key=%s msg=%s", topic, key, msg)
- log.info("Message arrived: %s", msg)
- try:
- if key in ALLOWED_KAFKA_KEYS:
-
- if key == 'instantiated':
- await self._handle_instantiated(msg)
-
- if key == 'scaled':
- await self._handle_scaled(msg)
-
- if key == 'terminated':
- await self._handle_terminated(msg)
-
- if key == 'notify_alarm':
- await self._handle_alarm_notification(msg)
- else:
- log.debug("Key %s is not in ALLOWED_KAFKA_KEYS", key)
- except peewee.PeeweeException:
- log.exception("Database error consuming message: ")
- raise
- except Exception:
- log.exception("Error consuming message: ")
-
- async def _handle_alarm_notification(self, content):
- log.debug("_handle_alarm_notification: %s", content)
- alarm_uuid = content['notify_details']['alarm_uuid']
- metric_name = content['notify_details']['metric_name']
- operation = content['notify_details']['operation']
- threshold = content['notify_details']['threshold_value']
- vdu_name = content['notify_details']['vdu_name']
- vnf_member_index = content['notify_details']['vnf_member_index']
- nsr_id = content['notify_details']['ns_id']
- log.info(
- "Received alarm notification for alarm %s, \
- metric %s, \
- operation %s, \
- threshold %s, \
- vdu_name %s, \
- vnf_member_index %s, \
- ns_id %s ",
- alarm_uuid, metric_name, operation, threshold, vdu_name, vnf_member_index, nsr_id)
- try:
- alarm = self.service.get_alarm(alarm_uuid)
- await self.service.scale(alarm)
- except ScalingAlarm.DoesNotExist:
- log.info("There is no action configured for alarm %s.", alarm_uuid)
-
- async def _handle_instantiated(self, content):
- log.debug("_handle_instantiated: %s", content)
- nslcmop_id = content['nslcmop_id']
- nslcmop = self.service.get_nslcmop(nslcmop_id)
- if nslcmop['operationState'] == 'COMPLETED' or nslcmop['operationState'] == 'PARTIALLY_COMPLETED':
- nsr_id = nslcmop['nsInstanceId']
- log.info("Configuring scaling groups for network service with nsr_id: %s", nsr_id)
- await self.service.configure_scaling_groups(nsr_id)
- else:
- log.info(
- "Network service is not in COMPLETED or PARTIALLY_COMPLETED state. "
- "Current state is %s. Skipping...",
- nslcmop['operationState'])
-
- async def _handle_scaled(self, content):
- log.debug("_handle_scaled: %s", content)
- nslcmop_id = content['nslcmop_id']
- nslcmop = self.service.get_nslcmop(nslcmop_id)
- if nslcmop['operationState'] == 'COMPLETED' or nslcmop['operationState'] == 'PARTIALLY_COMPLETED':
- nsr_id = nslcmop['nsInstanceId']
- log.info("Configuring scaling groups for network service with nsr_id: %s", nsr_id)
- await self.service.configure_scaling_groups(nsr_id)
- log.info("Checking for orphaned alarms to be deleted for network service with nsr_id: %s", nsr_id)
- await self.service.delete_orphaned_alarms(nsr_id)
- else:
- log.info(
- "Network service is not in COMPLETED or PARTIALLY_COMPLETED state. "
- "Current state is %s. Skipping...",
- nslcmop['operationState'])
-
- async def _handle_terminated(self, content):
- log.debug("_handle_deleted: %s", content)
- nsr_id = content['nsr_id']
- if content['operationState'] == 'COMPLETED' or content['operationState'] == 'PARTIALLY_COMPLETED':
- log.info("Deleting scaling groups and alarms for network service with nsr_id: %s", nsr_id)
- await self.service.delete_scaling_groups(nsr_id)
- else:
- log.info(
- "Network service is not in COMPLETED or PARTIALLY_COMPLETED state. "
- "Current state is %s. Skipping...",
- content['operationState'])
projects / osm / POL.git / blobdiff